FZUS53 KDLH 112158 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 458 PM CDT Sat Apr 11 2026 For waters within five nautical miles of shore on Lake Superior. Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LSZ140-120415- Grand Portage to Grand Marais MN- 458 PM CDT Sat Apr 11 2026 .TONIGHT...East wind 5 to 10 knots becoming southeast 10 to 15 knots with gusts to around 20 knots after midnight. Rain through the night. Slight chance of thunderstorms after midnight. Patchy fog after midnight. Waves 1 to 2 feet building to 1 to 3 feet late in the night. .SUNDAY...Southeast wind 10 to 15 knots with gusts to around 20 knots becoming east 5 to 10 knots late in the afternoon. Patchy dense fog through the day. Chance of rain in the morning. Rain showers likely and chance of thunderstorms in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .SUNDAY NIGHT...Southwest wind 5 to 10 knots becoming west in the late evening and overnight. Patchy dense fog in the evening. Chance of showers and thunderstorms in the evening. Waves 1 to 2 feet. .MONDAY...Northwest wind 5 to 10 knots becoming northeast in the afternoon. Mostly sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ141-120415- Grand Marais to Taconite Harbor MN- 458 PM CDT Sat Apr 11 2026 .TONIGHT...East wind 10 to 15 knots. Rain until early morning. Slight chance of thunderstorms in the late evening and early morning. Rain likely late in the night. Patchy fog in the late evening and overnight. Waves 1 to 2 feet building to 1 to 3 feet late in the night. .SUNDAY...Northeast wind 5 to 10 knots. Patchy dense fog through the day. Chance of rain in the morning. Rain showers likely and slight chance of thunderstorms in the afternoon. Waves 1 to 3 feet. .SUNDAY NIGHT...West wind 5 to 10 knots. Patchy dense fog in the evening. Chance of rain showers and slight chance of thunderstorms in the evening. Waves 1 to 2 feet. .MONDAY...Northwest wind 5 knots becoming northeast in the afternoon. Partly sunny. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ142-120415- Taconite Harbor to Silver Bay Harbor MN- 458 PM CDT Sat Apr 11 2026 .TONIGHT...East wind 10 to 15 knots. Rain until early morning. Slight chance of thunderstorms through the night. Rain likely late in the night. Patchy fog in the late evening and overnight. Waves 1 to 3 feet. .SUNDAY...Northeast wind 5 to 10 knots. Patchy dense fog in the morning, then areas of dense fog in the afternoon. Chance of rain in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Waves 1 to 3 feet. .SUNDAY NIGHT...West wind 5 to 10 knots. Patchy dense fog in the evening. Chance of rain showers and slight chance of thunderstorms in the evening. Waves 1 foot or less. .MONDAY...Northwest wind 5 knots becoming east in the afternoon. Slight chance of rain in the afternoon. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ143-120415- Silver Bay Harbor to Two Harbors MN- 458 PM CDT Sat Apr 11 2026 .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots early in the evening. Rain until early morning. Slight chance of thunderstorms through the night. Rain likely late in the night. Patchy fog in the late evening and overnight. Waves 1 to 2 feet. .SUNDAY...Northeast wind 5 to 10 knots. Patchy dense fog through the day. Chance of rain in the morning. Rain showers likely and slight chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .SUNDAY NIGHT...Southwest wind 5 to 10 knots becoming west after midnight. Patchy dense fog in the evening. Chance of rain showers and slight chance of thunderstorms in the evening. Waves 1 foot or less. .MONDAY...North wind 5 knots becoming east in the afternoon. Slight chance of rain in the afternoon. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ144-120415- Two Harbors to Duluth MN- 458 PM CDT Sat Apr 11 2026 .TONIGHT...Northeast wind 10 to 15 knots. Gusts up to 20 knots until early morning. Rain until early morning. Slight chance of thunderstorms through the night. Rain likely late in the night. Patchy fog in the late evening and overnight. Waves 1 to 2 feet. .SUNDAY...East wind 5 to 10 knots becoming southeast late in the afternoon. Patchy dense fog through the day. Chance of rain in the morning. Rain showers likely and chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .SUNDAY NIGHT...Southwest wind 5 to 10 knots becoming west after midnight. Patchy dense fog in the evening. Chance of showers and thunderstorms in the evening. Waves 1 foot or less. .MONDAY...Northwest wind 5 knots becoming northeast in the afternoon. Chance of rain in the afternoon. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ145-120415- Duluth MN to Port Wing WI- 458 PM CDT Sat Apr 11 2026 .TONIGHT...East wind 10 to 15 knots. Gusts up to 20 knots in the late evening and early morning. Rain until early morning. Slight chance of thunderstorms through the night. Rain likely late in the night. Patchy fog in the late evening and overnight. Waves 1 to 2 feet. .SUNDAY...East wind 5 to 10 knots becoming southwest late in the afternoon. Patchy dense fog through the day. Chance of rain in the morning. Chance of showers and thunderstorms in the afternoon. Waves 1 to 2 feet. .SUNDAY NIGHT...West wind 5 to 10 knots. Patchy dense fog in the evening. Chance of showers and thunderstorms in the evening. Waves 1 foot or less. .MONDAY...Northwest wind 5 knots becoming northeast in the afternoon. Chance of rain in the afternoon. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ146-120415- Port Wing to Sand Island WI- 458 PM CDT Sat Apr 11 2026 .TONIGHT...East wind 10 to 15 knots easing to 5 to 10 knots after midnight. Rain until early morning. Chance of thunderstorms through the night. Rain likely late in the night. Patchy fog in the late evening and overnight. Waves 1 to 2 feet. .SUNDAY...East wind 5 to 10 knots becoming northwest late in the afternoon. Patchy dense fog through the day. Chance of rain in the morning. Chance of showers and thunderstorms in the afternoon. Waves 1 foot or less. .SUNDAY NIGHT...West wind 5 to 10 knots. Patchy dense fog in the evening. Chance of showers and thunderstorms in the evening. Waves 1 foot or less. .MONDAY...Northwest wind 5 knots becoming northeast in the afternoon. Slight chance of rain in the afternoon. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ147-120415- Sand Island to Bayfield WI- 458 PM CDT Sat Apr 11 2026 .TONIGHT...East wind 10 to 15 knots becoming southeast late in the night. Rain and chance of thunderstorms. Patchy fog in the late evening and overnight. Waves 1 to 2 feet. .SUNDAY...Southeast wind 5 to 10 knots becoming south 10 to 15 knots in the afternoon. Patchy dense fog through the day. Chance of rain in the morning. Chance of showers and thunderstorms in the afternoon. Waves 1 foot or less. .SUNDAY NIGHT...West wind 5 to 10 knots. Patchy dense fog in the evening. Chance of showers and thunderstorms in the evening. Waves 1 foot or less. .MONDAY...Northwest wind 5 to 10 knots becoming northeast in the afternoon. Slight chance of rain in the afternoon. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ150-120415- Outer Apostle Islands Beyond 5 NM from Mainland- 458 PM CDT Sat Apr 11 2026 .TONIGHT...East wind 10 to 15 knots. Gusts up to 20 knots after midnight. Slight chance of thunderstorms in the evening. Rain through the night. Chance of thunderstorms after midnight. Patchy fog in the late evening and overnight. Waves 1 to 2 feet. .SUNDAY...Southeast wind 5 to 10 knots becoming south 10 to 15 knots in the afternoon. Patchy dense fog through the day. Chance of rain in the morning. Chance of showers and thunderstorms in the afternoon. Waves 1 to 2 feet. .SUNDAY NIGHT...Southwest wind 10 to 15 knots becoming west 5 to 10 knots after midnight. Patchy dense fog in the evening. Chance of showers and thunderstorms in the evening. Waves 1 to 2 feet. .MONDAY...Northwest wind 5 to 10 knots becoming northeast in the afternoon. Slight chance of rain in the afternoon. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ148-120415- Oak Point to Saxon Harbor WI- 458 PM CDT Sat Apr 11 2026 .TONIGHT...Southeast wind 10 to 15 knots with gusts to around 20 knots becoming southeast 10 to 15 knots with gusts to around 25 knots late in the night. Rain and chance of thunderstorms. Patchy fog in the late evening and overnight. Waves 1 to 2 feet. .SUNDAY...South wind 10 to 15 knots with gusts to around 25 knots becoming southwest with gusts to around 20 knots late in the afternoon. Patchy dense fog through the day. Chance of rain and slight chance of thunderstorms in the morning. Chance of showers and thunderstorms in the afternoon. Waves 1 to 2 feet. .SUNDAY NIGHT...Southwest wind 10 to 15 knots with gusts to around 20 knots becoming west 5 to 10 knots early in the morning. Chance of showers and thunderstorms in the evening. Waves 1 to 2 feet. .MONDAY...Northwest wind 5 to 10 knots becoming northeast in the afternoon. Slight chance of rain in the afternoon. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes LE